Publications for:

pest = Alternaria (anamorphic genus)
crop = Prickly pear (Opuntia)

found 2 publications:

2013

Identification of fungal species associated with cladode spot of prickly pear and their sensitivity to chitosan
Journal of Phytopathology (2013) 161 (7-8), 544-552
publishers website - pestinfo wiki

2002

Pathogens associated with necrosis of cactus pear cladodes in South Africa
Plant Disease (2002) 86 (6), p.693
publishers website - pestinfo wiki